10
Mar
FM transmitter system board open source
This is the simplest form of FM transmitter, capable of transmitting broadcast music or voice to a range of up to 50 meters, depending on the type of antenna used.
08
Mar
How to design a stereo FM transmitter?
BA1404 is a low-voltage, low-power design with a maximum power consumption of 500mW.
10
Oct
The difference between analog mixers and digital mixers
What are their main functions and differences? Let’s take a look.
28
Sep
Antenna characteristic, antenna gain and directivity
Due to the special design of the antenna, the radiation density can be concentrated in a certain spatial direction. The measure of lossless antenna directivity is antenna gain. It is closely related to the directivity of the a...
24
Sep
A mini FM transmitter circuit sharing
This is a mini FM transmitter circuit. I think this is the simplest, easiest and of course…cheap… The supply voltage is between 1.1 – 3 volts and the power consumption is 1.8 mA at 1.5 volts. This circuit should be covered, righ...
22
Sep
The relationship between RF front-end and RF transistor
The relationship between RF front-end and RF chip
RF front-end and RF chips are closely related, and the two are inseparable. The RF front-end is an important part of information a...
